The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.


Country / Post Oman
Date of Issue 3 November 2012
Primary theme Sport (Sporting events)
Sport (Water sports)
Subject Sultan Qaboos Sailing Trophy
Width 40.0 mm
Height 40.0 mm
Denomination 2.50 OMR
Number in set 1
Layout/Format sheet
Perforations 13.5 by 13.5
Stamp issuing authority Ministry of Transport & Communications Sultanate of Oman
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